A single screen and lots of enemies to shoot defines this genre.
Gun Fight
Arcade 1975@1390
Boot Hill
Arcade 1977@1391
Space Invaders
Arcade, July 1978@968
Galaxian
Arcade, October 1979@185
Radar Scope
Arcade, December 1979@2137
Ozma Wars
Arcade, December 1979@2147
Space Beam
Arcade 1979@2152
Astro Fighter
Arcade 1979@2314
Attack Force
Arcade 1979@3689
Stratovox
Arcade 1980@1210
Atari 2600 1980@982
Phoenix
Arcade 1980@1504
Moon Cresta
Arcade 1980@1610
Carnival
Arcade 1980@2750
Galaga
Arcade 1981@184
Centipede
Arcade 1981@568
Gorf
Arcade 1981@3690
Demon Attack
Atari 2600 1982@983
Millipede
Arcade 1982@1568
Gridrunner
Commodore VIC-20 1982@2324
Satan's Hollow
Arcade 1982@3692
Pleiads
Arcade 1982@3696
Exerion
Arcade 1983@3450
Arcadians
BBC Micro 1984@516
Gaplus
Arcade 1984@1527
NES 1984@3507
Sega-Galaga
Sega SG-1000 1984@3715
Return of the Invaders
Arcade 1985@1005
Sega SG-1000 1985@3725
Battlantis
Arcade 1987@1537
Galaga: Demons of Death
NES 1988@1452
Galaga '88
PC Engine 1989@2872
Pang
Amiga 1990@513
Space Invaders: Fukkatsu no Hi
PC Engine 1990@2873
Game Boy 1990@3700
Space Invaders '91
SEGA Genesis 1990@3699
Deluxe Galaga
Amiga 1995@1516
PlayStation 1999@3168
Space Invaders Extreme
PSP 2008@35
Galaga Legions DX
Xbox 360 2011@297
Verminest
Windows 2012@1897
Titan Attacks!
PlayStation 4 2014@1261
PlayStation 4 2016@1634
Centipede: Recharged
PlayStation 5 2021@3082
